Author: Len Eisner
Date: 15:13:14 01/16/00
Go up one level in this thread
On January 16, 2000 at 17:50:33, Frank Schubert wrote: >...after 160 games. I added the result of Shredder - Century 13.5 - 6.5 >(+11,=5,-4). >Here is the new Elo rating list (the old values are given in parentheses). >Again Elo calculation was performed by iteration procedure (start Elo 2600). > > > Program Elo (old) + - Games Score Av.Op. Draws > > 1 Junior 6.0 : 2676 (2665) 101 74 40 60.00 % 2604 45.0 % > 2 Fritz 6a : 2645 (2641) 96 86 40 63.75 % 2546 37.5 % > 3 Hiarcs 7.32 : 2624 (2615) 111 75 40 52.55 % 2606 40.0 % > 4 Shredder 4 : 2610 (2597) 90 66 60 51.67 % 2597 33.3 % > 5 Rebel-Tiger 12.0e : 2603 (2598) 106 59 40 56.25 % 2558 57.5 % > 6 Nimzo 7.32 : 2599 (2592) 76 102 40 41.25 % 2660 42.5 % > 7 Century : 2493 (2493) 73 73 60 32.50 % 2619 38.3 % > > >It is interesting to see that Century's rating did not change. Its Av.Op. is >also still the same. Therefore the result against Shredder fits very well with >Century's results before. Shredder increased its rating by 13 points up to 2610. >Due to the interdependencies of the iteration procedure the ratings of Shredders >opponents are also higher than before. And the ratings of the opponents of >Shredders opponents also increased. Hope I am not confusing you too much but >that's the way it works. You can simply check that the weighted average of all >ratings (weighted by the number of games) is still the same than it was before, >namely 2600. >So no significant changes after this match. Looking for the next one... > >Bye >Frank I calculated the ratings with the Fritz 6 rating function, and the ratings were different. Any idea why? Here are the ratings calculated by Fritz 6: 1 Junior 6.0 2406 40 2 Fritz 6a 2391 40 3 Hiarcs 7.32 2372 40 4 Rebel-Tiger 12.0e 2358 40 5 Shredder 4 2351 60 6 Nimzo 7.32 2328 40 7 Century 2242 60 Len
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